Position in WAT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$816,821,367
+$482,085,830 QoQ
Shares Held
2,177,958
+93.8% QoQ
Ownership
2.22%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#11
of 1,177 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 95%
Shared 0%
None 5%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $14,374,793,482 across 32 Diagnostics & Research names. WAT ranks #7 (5.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
5,116,336 | $2,565,126,216 | |
| 2 | NTRA |
Natera, Inc.
|
9,021,895 | $2,448,993,397 | |
| 3 | DHR |
Danaher Corp /De/
|
11,450,715 | $2,181,132,192 | |
| 4 | DGX |
Quest Diagnostics Inc
|
5,444,986 | $1,154,064,781 | |
| 5 | MEDP |
Medpace Holdings, Inc.
|
2,069,677 | $1,096,080,242 | |
| 6 | GH |
Guardant Health, Inc.
|
6,514,952 | $977,438,248 | |
| 7 | WAT |
Waters Corp /De/
This page
|
2,177,958 | $816,821,367 | |
| 8 | RVTY |
Revvity, Inc.
|
5,530,850 | $615,362,370 |
All Filings in WAT
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $816,821,367 | 2,177,958 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $334,735,537 | 1,124,028 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $254,905,052 | 671,103 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $32,995,889 | 110,056 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $30,021,628 | 86,012 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $31,664,585 | 85,912 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $31,213,885 | 84,139 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $29,951,844 | 83,225 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $23,746,902 | 81,852 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $27,646,143 | 80,313 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $26,265,310 | 79,778 | Shares | Sole | 2024-02-16 | |
| 2023-09-30 | $21,367,813 | 77,925 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $21,132,357 | 79,284 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $24,552,110 | 79,295 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $55,894,324 | 163,157 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $182,249,446 | 676,175 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $276,479,509 | 835,336 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $256,140,656 | 825,222 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $94,905,691 | 254,712 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $86,023,905 | 240,761 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $56,975,882 | 164,856 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $29,079,968 | 102,333 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $27,202,591 | 109,945 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $22,512,396 | 115,047 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $22,058,951 | 122,278 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $24,173,145 | 132,783 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||